Appendix

Empirical analysis was based on the following 35 city pairs

City pair	Departure	Destination
1	Amsterdam	Brussels
2	Amsterdam	Düsseldorf
3	Amsterdam	Hamburg
4	Barcelona	Rome
5	Birmingham	Dublin
6	Brussels	Düsseldorf
7	Brussels	Hamburg
8	Brussels	Frankfurt
9	London	Amsterdam
10	London	Brussels
11	London	Cologne
12	London	Cork
13	London	Copenhagen
14	London	Dublin
15	London	Düsseldorf
16	London	Frankfurt
17	London	Hamburg
18	Madrid	Athens
19	Madrid	Copenhagen
20	Madrid	Lisbon
21	Madrid	Milan
22	Madrid	Rome
23	Manchester	Amsterdam
24	Manchester	Brussels
25	Manchester	Dublin
26	Manchester	Frankfurt
27	Paris	Athens
28	Paris	Barcelona
29	Paris	Copenhagen
30	Paris	Lisbon
31	Paris	Madrid
32	Paris	Milan
33	Paris	Rome
34	Paris	Stockholm
35	Rome	Athens

Bibliography

• Abott, K. & Thompson, D. 1991, Deregulating European aviation. The impact of bilateral liberalisation; International Journal of Industrial Organization, vol. 9, pp. 125-140.
• Aghion, P. & Bolton, P. 1987, Contracts as a barrier to entry: American Economic Review, vol. 77, pp. 388-401.
• Airline competition in the single European market, 1993, Civil Aviation Authority: London, CAP 623.
• Airline deregulation: changes in airfares, service, and safety at small, medium-sized, and large communities, 1996, General Accounting Office, RCED-96-79.
• Alamdari, F. E. & Morell, P. 1997, Airline labour cost reduction: post liberalisation experience in the USA and Europe. Journal of air transport management 3[2], pp. 53-66.
• Aldenderfer, M. S. & Blashfield, R. K. 1984, Cluster Analysis, Sage University: Newbury Park, CA.
• Arabie, P., Caroll, J. D., & DeSabro, W. S. 1987, Three way scaling and clustering, Sage University: Newbury Park, CA.
• Bailey, E. & Panzar, J. 1981, The contestability of airline markets during the transition to deregulation, Law and Contemporary Problems, vol. 44, pp. 125-145.
• Bailey, E. & Williams, J. R. 1988, Sources of economic rent in the deregulated airline industry. Journal of law and economics 31[April], pp. 173-201.
• Bailey, E., Graham, D., & Kaplan, D. 1991, Deregulating the airlines, MIT Press: Cambridge, Mass.
• Bain, J. 1956, Barriers to New Competition, Harvard University Press: Cambridge, Mass.
• Bain, J. 1959, Industrial Organization, 1st edn, John Wiley & Sons: New York, NY.
• Balfour, J. 1994, Air transport - A Community success story ?, Common Market Law Review, vol. 31, pp. 1028-1029
• Banker, R. D. & Johnston, H. H. 1993, An empirical study of cost drivers in the US airline industry, The accounting review 68[3], pp. 576-601.
• Baumol, W. J., Panzar, J. C., & Willig, R. 1988, Fixed costs, sunk costs and entry barriers, in Contestable Markets and the theory of industry structure, Harcourt Brace Jovanovich: Orlando, Florida, pp. 279-309.
• Baumol, W. J., Panzar, J., & Willig, R. 1988, Contestable Markets and the Theory of Industry Structure, 2nd edn, Harcourt Brace Jovanovich: San Diego, CA.
• Bernheim, D. 1984, Strategic entry deterrence of sequential entry into an industry, Rand Journal of economics, vol. 15, pp. 1-11.
• Berry, S. T. 1992, Estimation of a model of entry in the airline industry, Econometrica 60[4], pp. 889-917.
• Berry, S. T., Carnall, M., & Spiller, P. T. 1996, Airline hubs: costs, markups and the implications of customer heterogeneity, National Bureau of Economic Research.
• Borenstein, S. & Rose, N. L. 1994, Competition and price dispersion in the US airline industry, Journal of political economy 102[4], pp. 653-683.
• Borenstein, S. 1989, Hubs and high fares: Dominance and market power in the US airline industry. Rand Journal of economics 20[3], pp. 345-365.
• Borenstein, S. 1990, Airline mergers, airport dominance, and market power. American Economic Review 80[2], pp. 400-403.
• Borenstein, S. 1991, The dominant firm advantage in multi product industries: evidence from the US airlines. Quarterly journal of economics , pp. 1237-1266.
• Borenstein, S. 1992, The evolution of US airline competition. Journal of economic perspectives 6[2], pp. 45-73.
• Brander, J. A. & Zhang, A. 1990, Market conduct in the airline industry: an empirical investigation, Rand Journal of economics 21[4], pp. 567-584.
• Brander, J. A. & Zhang, A. 1993, Dynamic oligopoly behaviour in the airline industry. International Journal of Industrial Organization, vol. 11, pp. 407-435.
• Bresnahan, T. 1986, Advertising and economies of scale, unpublished working paper
• Brueckner, J. K. & Spiller, P. T. 1994, Economies of traffic density in the deregulated airline industry. Journal of law and economics 37[October], pp. 379-413.
• Brueckner, J. K., Dyer, N. J., & Spiller, P. T. 1992, Fare determination in airline hub and spoke networks, Rand Journal of economics 23[3].
• Bulow, J., Geanakopolos, J., & Klemperer, P. 1985, Holding excess capacity to deter entry, The economic Journal, vol. 95, pp. 178-182.
• Bulow, J., Geanakopolos, J., & Klemperer, P. 1985, Multimarket Oligopoly: strategic substitutes and complements, Journal of political economy, vol. 93, pp. 488-511.
• Burns, M. R. 1986, Predatory pricing and the acquisition cost of competitors, Journal of political economy 94[2], pp. 266-295.
• Call, G. & Keeler, T. 1985, Airline deregulation, fares, and market bahaviour. Some empirical evidence, in Analytical Studies in transport economics, A. Daugherty, ed., Cambridge University Press: Cambridge, UK.
• Caves, D. W., Christensen, L. R., & Tretheway, M. W. Economics of density versus economics of scale: why trunk and local service airline costs differ. Rand Journal of economics 15[4], 471-489. 1984.
• Caves, R. & Porter, M. 1977, From entry barriers to mobility barriers. Quarterly journal of economics, pp. 241-261.
• Chamberlin, E. H. 1933, Theory of monopolistic competition, 1st edn, Kelley: Cambridge, Mass.
• Comanor, W. & Wilson, T. 1967, Advertising and competition: a survey. Review of economics and statistics Vol. 49, 423-440.
• Coursey, D., Isaac, R. M., Luke, M., & Smith, V. L. Market contestability in the presence of sunk (entry) costs. Rand Journal of economics , pp. 69-84.
• Cubbin, J. 1981, Advertising and the theory of entry barriers, Economica, vol. 48, pp. 289-298.
• Demsetz, H. 1982, Barriers to entry. American Economic Review 72, 47-57.
• Deregulation: Increased competition is making airlines more efficient and responsive to consumers, 1986, General Accounting Office, RCED-86-26.
• Dixit, A. & Shapiro, C. 1985, Entry dynamics with mixed strategies, in Strategic planning, L. G. Thomas, ed., Lexington Books, Lexington, Mass., pp. 63-79.
• Dixit, A. 1979, A model of oligopoly suggesting a theory of entry barriers, Bell Journal of Economics, vol. 10, pp. 20-32.
• Dixit, A. 1981, The role of investment in entry deterrence, Economic Journal, vol. 90, pp. 95-106.
• Doganis, R. 1991, Flying off course: The economics of international airlines, 2 edn, Harper Collins Academic: London.
• Eaton, B. C. & Lipsey, R. G. 1979, The theory of market preemption: the persistence of excess capacity and monopoly in growing spatial markets, Econometrica, vol. 46, pp. 149-158.
• Eaton, B. C. & Lipsey, R. G. 1980, Exit barriers are entry barriers: the durability of capital as a barrier to entry, Bell Journal of Economics, vol. 12, pp. 721-729.
• Eaton, B. C. & Lipsey, R. G. 1981, Capital, commitment, and entry equilibrium, Bell Journal of Economics, vol. 12, pp. 593-604.
• Effects of airline market concentration and barriers to entry on airfares, 1991, General Accounting Office, RCED-91-101.
• Encaoua, D. 1991, Liberalizing European airlines. Cost and factor productivity evidence. International Journal of Industrial Organization, vol. 9, 109-124.
• Encaoua, D., Geroski, P., & Jacquemin, A. 1986, Strategic competition and the persistence of dominant firms: a survey, in New developments in the analysis of market structure, J. Stiglitz & F. Mathewson, eds., MIT Press: Cambridge, Mass..
• Engel, J. F., Kollat, D. T., & Blackwell, R. D. 1968, Consumer Behavior Holt, Rinehart and Winston: New York.
• Everitt, B. 1980, Cluster Analysis: Halsted: New York.
• Farrell, J. & Shapiro, C. 1986, Dynamic comptition with lock-in. UC Berkeley Working Paper
• Fixing America's airlines, 2001, The Economist [March 10-16], pp. 19-20.
• Flaherty, M. 1980, Dynamic limit pricing, barriers to entry, and rational firms, Journal of economic theory, vol. 23, pp. 160-182.
• Flying in circles, 1999, The Economist [July 17], pp. 67-71.
• Fudenberg, D. & Levine, D. K. 1989, Reputation and equilibrium selection in games with a patient player, Econometrica 57[4], pp. 759-778.
• Fudenberg, D. & Tirole, J. 1983, Capital as a commitment: Strategic investment to deter mobility, Journal of economic theory, vol. 31, pp. 227-256.
• Fudenberg, D. & Tirole, J. 1983, Learning by doing and market performance, Bell Journal of Economics, vol. 14, pp. 522-530.
• Fudenberg, D. & Tirole, J. 1986, Dynamic models of oligopoly, Harwood: London.
• Gaskins, D. 1971, Dynamic limit pricing: optimal pricing under threat of entry, Journal of economic theory, vol. 2, pp. 306-322.
• Gelman, J. R. & Salop, G. 1984, Judo economics: capacity limitation and coupon competition, Journal of economic theory pp. 315-325.
• Geroski, P. & Jacquemin, A. 1985, Industrial change, barriers to mobility, and European industrial policy, Oxford Review of Economic Policy, vol. 1, pp. 170-218.
• Geroski, P., Gilbert, R., & Jacquemin, A. 1990, Barriers to entry and strategic competition, Harwood Academic: Chur.
• Ghemawhat, P. & Sol, P. 1998, Commitment versus flexibility ? California Management Review 40[4], 26-42.
• Ghertman, M., Obadia, J., & Arregle, J.-L. 1997, Statistical models for strategic management, Kluwer Academic Publishers: Dordrecht, The Netherlands.
• Gilbert, R. 1989, Mobility barriers and the value of incumbency, in Handbook of industrial organization - Volume 1, R. Schmalensee & R. Willig: North-Holland, Amsterdam, pp. 476-531.
• Good, D. H., Röller, L. H., & Sickles, R. C.1993, US airline deregulation: Implications for European transport. The economic Journal 103[July], pp. 1028-1041.
• Graham, D. R., Kaplan, D., & Sibley, D. S. 1983, Efficiency and competition in the airline industry, Bell Journal of Economics Spring, pp. 118-138.
• Higher fares and less competition continue at concentrated airports, 1993, General Accounting Office RCED-93-171.
• Industry operating and marketing practices limit market entry, 1990, General Accounting Office, RCED-90-147.
• Kaufman, L.& Rousseeuw, P.J. 1990, Finding groups in data: An introduction to cluster analysis, John Wiley & Sons, England
• Kim, J. & Mueller, C. 1978, Factor Analysis: Statistical Methods and Practical Issues, Sage Press: Beverly Hills.
• Kirby, M. G. 1986, Airline economics of scale and Australian domestic air transport policy. Journal of transport economics and policy, September, pp. 339-351.
• Kleinbaum, D. G., Kupper, L., & Muller, K. E. 1988, Applied regression analysis and other multivariable methods, PWS - Kent Publishing Company: Boston, Mass.
• Klemperer, P. 1986, Markets with consumer switching costs, unpublished working paper: Stanford University.
• Kreps, D. & Wilson, R. 1982, Reputation and imperfect information, Journal of economic theory, vol. 27, pp. 253-279.
• Krishnan, M. & Röller, L. H.1993, Preemptive investment with resalable capacity. Rand Journal of economics 24[4], pp. 479-501.
• Levine, M. E. 1987, Airline competition in deregulated markets: theory, firm strategy, and public policy, Yale Journal on regulation, vol. 4, pp. 393-495.
• Lieberman, M. 1984, The learning curve and pricing in the chemical processing industry, Rand Journal of economics, vol. 15, pp. 213-228.
• Marin, P. 1995, Productivity differences in the airline industry: Partial deregulation versus short run protection, research paper: London School of Economics.
• Marin, P. 1995, The remains of regulation: Airlines' profits after liberalisation, research paper: London School of Economics.
• Maskin, E. & Tirole, J. 1987, A theory of dynamic oligopoly III: Cournot competition, European Economic Review, vol. 31, pp. 947-968.
• Maskin, E. & Tirole, J. 1987, A theory of dynamic oligopoly. European Economic Review 31, pp. 947-968.
• Matutes, C. & Regibeau, P. 1986, Product compatibility as a credible commitment, unpublished working paper.
• McGee, J. S. 1980, Predatory pricing revisited, The Journal of law and economics, pp. 289-327.
• McGowan, F. & Seabright, P. 1989, Deregulating European airlines, Economic Policy: A European Forum, No. 9, pp. 283-344
• Mead, K. M. 1989, Barriers to competition in the airline industry, General Accounting Office, RCED-89-65.
• Mead, K. M. 1993, Options for addressing financial and competition problems, General Accounting Office, RCED-93-52.
• Milgrom, P. & Roberts, J. 1982, Predation, reputation and entry deterrence, Journal of economic theory, vol. 27, pp. 280-312.
• Modigliani, F. 1958, New developments on the oligopoly front, Journal of political economy Vol. 66, pp. 215-232.
• Mookherjee, D. & Ray, D. 1986, Dynamic price games with learning by doing, Unpublished working paper.
• Morrison, S. & Winston, C. 1987, Empirical implications and tests of the contestability hypothesis. Journal of law and economics, vol. 30, pp. 53-66.
• Nelson, P. 1970, Information and consumer behaviour. Journal of political economy, vol. 78, pp. 377-329.
• Neven, D. & Röller, L. H. 1996, Rent sharing in the European airline industry, European Economic Review, vol. 40, pp. 933-940.
• OAG. World Airways Guide - The complete guide to air travel. 1993. Bedfordshire, UK, Reed Travel Group.
• OAG. World Airways Guide - The complete guide to air travel. 1997. Bedfordshire, UK, Reed Travel Group.
• Omari, T. & Yarrow, G. 1982, Product diversification, entry prevention and limit pricing, Bell Journal of Economics, vol. 13, pp. 242-248.
• Palda, K. S. 1969, Economic analysis for marketing decisions, Prentice-Hall: Englewood Cliffs, N.J.
• Panzar, J. 1979, Equilibrium and welfare in unregulated airline markets. American economic association 69[2], pp. 92-95.
• Ravenscraft, D. 1983, Structure profit relationships at the line of business and industry level. Review of economics and statistics 65, pp. 22-31.
• Reiss, P. C. & Spiller, P. T. 1989, Competition and entry in small airline markets. Journal of law and economics 32, S179-S202. 1989.
• Reynolds, S. 1987, Capacity investment, preemption and commitment in an infinite horizon model, International Economic Review, vol. 28, pp. 69-88.
• Reynolds-Feighan, A. 1995, European air transport public service obligations: A periodic review, Fiscal Studies, vol. 16, pp. 58-74
• Rezendes, V. S. 1988, Competition in the airline computerized reservation system industry, General Accounting Office, RCED-88-62.
• Rose, N. L. 1992, Fear of flying ? Economic analyses of airline safety. Journal of economic perspectives 6[2], pp. 75-94.
• Salop, G. & Scheffman, D. 1983, Raising rivals' costs, American Economic Review, vol. 73, pp. 267-271.
• Salop, G. 1979, Strategic entry deterrence, American Economic Review, vol. 69, pp. 335-338.
• Schefczyk, M. 1993, Operational performance of airlines: an extension of traditional measurement paradigms. Strategic Management Journal, vol. 14, pp. 301-317.
• Schelling, T. 1960, The strategy of conflict, Harvard University Press: Cambridge, Mass.
• Scherer, F. M. & Ross, D. 1990, Industrial Market Structure and Economic Performance, Houghton Mifflin Company: Boston, Mass.
• Schmalensee, R. 1974, Brand loyalty and barriers to entry, Southern Economic Journal, vol. 40, pp. 579-591.
• Schmalensee, R. 1981, Economics of scale and barriers to entry, Journal of political economy, vol. 89, pp. 1228-1232.
• Schmalensee, R. 1983, Advertising and entry deterrence, Journal of political economy, vol. 90, pp. 636-653.
• Schwartz, M. 1986, The nature and scope of contestability theory, in Strategic behaviour and industrial competition, D. Morris: Oxford University Press.
• Shaked, A. & Sutton, J. 1982: Relaxing price competition through product differentiation, Review of economic studies, vol. 49, pp. 3-13.
• Shepherd, W. 1972, The elements of market structure, Review of economics and statistics , pp. 25-37.
• Smith, F. L. & Wilson, R. L. 1995, The predictive validity of the Karnani and Wernerfelt model of multipoint competition. Strategic Management Journal, vol. 16, pp. 143-160.
• Sokal, R. & Michener, C. D. 1958, A statistical method for evaluating systematic relationships, University of Kansas Scientific Bulletin, vol. 38, pp. 1409-1438.
• Spence, A. M. 1977, Entry, capacity, investment and oligopolistic pricing, Bell Journal of Economics, vol. 8, pp. 534-544.
• Spence, A. M. 1979, Investment Strategy and Growth in a New Market, Bell Journal of Economics, vol. 10, pp. 1-19.
• Spence, A. M. 1980, Notes on advertising, economies of scale and entry barriers, Quarterly journal of economics, vol. 95, pp. 493-508.
• Spence, A. M. 1984, Cost reduction, competition and industry performance, Econometrica, vol. 52, pp. 101-122.
• Stigler, G. 1968, The Organization of Industry, Irwin: Homewood, Ill.
• Stiglitz, J. E. & Mathewson, G. F. 1986, New developments in the analysis of market structure, The MIT Press: Cambridge, Mass.
• Storm, S. 1999, Air transport policies and frequent flyer programmes in the European Community, Working paper, Unit of Tourism Research at Research Centre of Bornholm, Sweden
• Sutton, J. 1995, Sunk costs and market structure, The MIT Press: Cambridge, Mass.
• Sutton, J. 1997, Gibrat's legacy, Journal of economic literature 35[March], pp. 40-59.
• Sylos-Labini, P. 1962, Oligopoly and technical progress, Harvard University Press: Cambridge, Mass.
• The single European aviation market: The first five years, 1998, Civil Aviation Authority: London, CAP 685.
• Tirole, J. 1997, Entry, Accomodation, and Exit, in The theory of industrial organization, J. Tirole, ed., MIT Press, Cambridge, Mass., pp. 305-359.
• Tirole, J. 1997, The theory of industrial organization, 9 edn, The MIT Press: Cambridge, Mass.
• Trends in airfares at airports in small and medium sized communities, 1990, General Accounting Office, RCED-91-13.
• Verbeek, M. 2000, A guide to modern econometrics, John Wiley & Sons, England
• Vietor, R. H. K. 1994, Contrived competition: Regulation and deregulation in America, Belknap Press of Harvard University Press: Cambridge, Mass.
• von Weizsäcker, C. C. 1980, Barriers to entry: a theoretical treatment, Springer Verlag: Berlin.
• Walters, C. G. & Paul, G. W. 1970, Consumer behavior, Richard D. Irwin: Homewood, Ill.
• Weitzman, M. 1983, Contestable markets: an uprising in the theory of industry structure: comment, American Economic Review, vol. 73, pp. 486-487.
• Whinston, M. D. & Collins, S. C. 1992, Entry and competitive structure in deregulated airline markets: an event study analysis of People Express, Rand Journal of economics 23[4], pp. 445-462.
• Williamson, O. 1963, Selling expense as a barrier to entry, Quarterly journal of economics, vol. 77, pp. 112-128.
• Williamson, O. 1968, Wage rates as barriers to entry: the Pennington case in perspective, Quarterly journal of economics, vol. 85, pp. 85-116.
• Winds of change: Domestic air transport since deregulation, 1991, Transportation Research Board, National Research Council, Washington, D.C., 230.
• Yamey, B. S. 1975, Predatory price cutting: Notes and comments. The Journal of law and economics, pp. 129-142.